This soft metal is used in psychiatry to treat bipolar disorder.
What is lithium?
100
This yellow nonmetal is found in nature in its elemental form. It is the active ingredient in mange medicine.
What is sulfur?
100
This metalloid is used in the production of computer chips.
What is silicon.
100
This element received its name from the latin word "Argentum." Argentum is also used to describe armour.
What is Silver.
100
This element is extracted from platinum ore. It is a red metal left behind, so its name means "rose" in Greek.
What is Rhodium.
200
This transition metal gave Midas the ability to turn anything he touched into this metal. Most money was once believed to have a cash value of this.
What is gold.
200
This noble gas has a white light and is used in household light bulbs.
What is Krypton.
200
This metalloid is a well known posion.
What is Arsenic.
200
This element received its atomic symbol from its old Latin name, Ferrum.
What is iron.
200
This element is one of the few elements whose name is Swedish. It means "heavy stone." However, its symbol is named after the material it is found in.
What is Tungsten.
300
This alkaline earth metal can replace calcium in your bone and can lead to breaks that don't heal.
What is strontium?
300
This halogen is added to drinking water to help ward off plaque build up and to strengthen teeth.
What is fluorine.
300
This metalloid is found in the main ingredient to homemade bouncy balls.
What is Boron.
300
This element's symbol comes from the latin name for "quick silver."
What is mercury.
300
This element gained its name from the Greek word meaning "Violet."
What is iodine.
400
This metal was used by hatters in medival times and is the reason hatters were often known as "Mad Hatters."
What is mercury?
400
This nonmetal is the most abundant element on earth.
What is oxygen?
400
This metalloid was originally known as stibium and its current name come from the greek word meaning "not alone."
What is Antimony.
400
This element's name comes from the latin word "Stannum," which is still used in chemistry to describe the metal.
What is Tin.
400
Potash and animal fats were mixed together to make soap long before this element, who is the active ingredient it potash, was ever named.
What is potassium.
500
This metal is currently in research to develop a water-oxidation catalyst, which is capable of splitting water into hydrogen and oxygen gas. This science is used as an alternate energy source.
What is Ruthenium?
500
This nonmetal was once added to tennis balls to create a tennis ball that never leaked air. While the invention worked, the heavier ball made a louder thud as it hit the ground and production never took off.
What is Xenon.
500
This metalloid got its name from its country of discovery.
What is Germanium.
500
This element was named in reference to another element. It was found with Tantalum in nature, so it's name means "Dauther of Tantulus."
What is Niobium.
500
This element comes from the Greek words meaning water generator.